Finding the Fourth Proportional to 295,654.68, 443,433.42 and 85,236.12
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Solution
The fourth proportional to 295,654.68, 443,433.42 and 85,236.12 is: 127,840.17
Step by Step Solution
- Step 1: Write the proportion equation
295,654.68 : 443,433.42 = 85,236.12 : x - Step 2: Convert to fraction form
295,654.68/443,433.42 = 85,236.12/x - Step 3: Cross multiply
295,654.68x = 443,433.42 × 85,236.12 - Step 4: Simplify right side
295,654.68x = 37,796,544,199.13 - Step 5: Solve for x
x = 37,796,544,199.13/295,654.68 - Step 6: Final answer
x = 127,840.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.